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Chinese aha : Dichloromethane |
Number nke dị ize ndụ na akụ: 61552 |
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English aha: Dichloromethane |
UN nọmba: 1593 |
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Molekụla usoro: CH2Cl2 |
Molekụla ibu: 84,94 |
CAS nọmba: 75-09-2 |
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Anụ ahụ na chemical Njirimara |
Anya na àgwà |
A colorless, uzo mmiri mmiri na ihe aromatic ísì ụtọ. |
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-Agbaze mgbe (° C) |
-96,7 |
Ikwu njupụta (mmiri = 1) |
1,33 |
Ikwu njupụta (ikuku = 1) |
2,93 |
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Esi ebe (° C) |
39,8 |
Jupụta Alụlụụ nsogbu (kPa) |
30.55 / 10 ℃ |
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Solubility |
Ubé soluble na mmiri, soluble na ethanol na ether. |
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Toxicity na ahụ ike ịdị egwu |
ikpughe ịgba
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Time-dara nha nkezi allowable ịta (mg / m3) |
200 |
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Short-okwu ikpughe allowable ịta (mg / m3) |
300 |
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Oke allowable ịta (mg / m3) |
/ |
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Nsoro nke mbuso agha |
Inhalation, ingestion, percutaneous absorption. |
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toxicity |
LD50: 1600 ~ 2000mg / kg (Rat onu) LC50: 88000mg / m3,1 / 2 小时 (Rat inhalation) |
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Health odachi |
Dichloromethane bụ ihe mgbochi ụfụ nke na-akpata akụkụ okuku ume na nrugharị ọbara Central mkpọnwụ na nwere ike ime ka akpa ume edema. Nnukwu nsi: ọrịa nwere ike nwere dizziness, isi ọwụwa, vomiting na mucous akpụkpọ ahụ iyatesịt n'anya na elu akụkụ okuku ume na tract. Na oké ikpe, bronchitis na akpa ume edema nwere ike ime, na ná Nkụnwụ mgbaàmà ndị dị otú ahụ dị ka amaghị onwe nwere ike ime. -Adịghị ala ala na-akpata: Ogologo oge ikpughe tumadi na-agụnye isi ọwụwa, ike ọgwụgwụ, ajụ obubu, ọnwụ nke agụụ, onye na-adịghị ije, na-ehi ụra. Nwere ike ime ka anụ ahụ mebiri, anụ defatting, nkụ, egbuke gburugburu na chapping. |
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Burning gbawara odachi |
Flammability |
Combustible |
Combustion decomposition ngwaahịa |
Carbon monoxide, carbon dioxide, hydrogen chloride, phosgene. |
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Flash mgbe (° C) |
/ |
Upper gbawara ịgba (v%) |
19 |
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Mgbanye okpomọkụ (° C) |
615 |
Lower gbawara ịgba (v%) |
12 |
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ize Ndụ e ji mara |
Ọ bụrụ na ọkụ, elu okpomọkụ bụ flammable. Decomposition site okpomọkụ nwere ike hapụ nsị dị elu phosgene. Bụrụ na nke elu okpomọkụ, na nrụgide nke akpa na-abawanye, ese a ize ndụ nke cracking na gbawaranụ. |
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Construction ọku ize ndụ nhazi ọkwa |
c |
kwụsie ike |
kwụsie ike |
polymerization odachi |
ike na-egosi |
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ekwekọghị ekwekọ |
Alkali metal, aluminum. |
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Fire ọgụ ụzọ |
Imenyụ na mmiri, ụfụfụ, carbon dioxide, na ájá. |
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mgbata ọsọ enyemaka mbụ |
Skin kọntaktị: Wepụ metọrọ emetọ na uwe na itucha juputara na ncha na mmiri. Eye kọntaktị: Ozugbo ebuli mbubere na itucha na ọtụtụ na-agba ọsọ mmiri ma ọ bụ saline. Inhalation: Wepụ ngwa ngwa si idaha ka ikuku. Nye oxygen mgbe iku ume siri ike. Ozugbo a kwụsịrị iku ume, amalite atụtụ aka ozugbo. -Achọ ọgwụ anya. Ingestion: ingestion nke a nnukwu ego nke mmiri ọkụ, eji vomiting,-achọ ọgwụ anya. |
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leakage mkpofu |
Ahụ gbapụ pesonel na e metọrọ emetọ na ebe a mma ebe, gbochie na-agbasaghị pesonel si abanye metọrọ emetọ ebe bipu ọkụ isi iyi. Ọ na-atụ aro na mberede pesonel na-eyi onwe ẹdude na-eku ume ngwa na-eyi ofụri ofụri ọkụ echebe uwe. Kwụsị ntapu mgbe huu nchekwa. Ọ na-agwakọta ya na ájá ma ọ bụ ndị ọzọ na-abụghị combustible adsorbent na mgbe anakọtara ma gaa na a mkpofu saịtị maka mkpofu. Ọ bụrụ na e nwere nnukwu ego nke leakage, jiri dike ka ẹdude, na mgbe ahụ na-anakọta, nyefe, egweri ma ọ bụ n'efu mgbe mkpofu. |
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Nchekwa na njem echiche |
1 Nchekwa akpachapụ Anya: Store na a jụụ, ventilated nkwakọba. Na-pụọ ọkụ na okpomọkụ. Prevent anyanwụ ikpughe. Na-akpa anọkwasị. Ọ ga-echekwara iche iche si oxidants na asịd. Nwere ike ịbụ mbuaha na weere. Ejighị ya kpọrọ mara na butuo n'oge na-ejizi iji gbochie mmebi nkwakọ ngwaahịa na containers. Lezienụ anya ka onye nchebe maka ịkwadebe na-ejizi arụmọrụ. 2 Transportation anya: Tupu nnyefe, elele ma mkpo akpa bụ zuru ezu na anọkwasị. N'oge njem, hụ na akpa anaghị ihihi, ida, ọdịda ma ọ bụ mmebi. Ọ na-machibidoro mix na asịd, oxidants, oriri na nri nwekwara. Transportation a rụrụ dị ka ọgwụ ụzọ. |